JAMA Dermatology

Nodular Vulvar Lesions

A woman in her 30s presented with mildly itchy skin nodules in the vulvar region for 1 year, which occurred during pregnancy and increased gradually in size and number without any treatments. What is your diagnosis?

A Destructive Midfacial Mass in a Middle-Aged Man

A 43-year-old man presented with a destructive mass on the nose, with multiple areas of erosion, ulcers, and exudate covering the mass. Histological examination showed polymorphous lymphocytic infiltration in the full-thickness dermis. What is your diagnosis?

Solid Facial Edema

This case report describes nonpitting erythematous edema on the forehead, glabella, nose, and cheeks.

Measuring Signs of Atopic Dermatitis in Clinical Practice – A HOME-CP Consensus Statement

Importance  Outcome measurement is an essential component of value-based health care and can aid patient care, quality improvement, and clinical effectiveness evidence generation. The Harmonising Outcome Measures for Eczema Clinical Practice initiative aims to identify a list of validated, feasible, outcome…

Coxsackievirus A6ñInduced Atypical Hand-Foot-Mouth Disease

This case report describes nonblanching, confluent, purpuric macules and patches on the palmoplantar and dorsal finger surfaces and red to grayish papulovesicles on the dorsal hands and feet, limbs, trunk, and face.

Taxane-Induced Cutaneous Toxic Effects

This case report describes dusky red to violaceous lesions with desquamation on the wrists and dorsal surface of both hands and near the Achilles tendon that occurred after intravenous paclitaxel treatment for invasive ductal carcinoma of the breast.

An Infant With Progressive Yellowish Papules and Nodules

A 6-month-old girl presented with yellowish papules and nodules on the face and trunk that appeared 2 months prior, initially on the scalp, then gradually spread. What is your diagnosis?

Chloracne

This case report describes hyperpigmented, pruritic lesions on the patient’s face and chest that worsened over the previous 3 weeks.

International Consensus Definition and Diagnostic Criteria for Generalized Pustular Psoriasis From the International Psoriasis Council

Importance  Generalized pustular psoriasis (GPP) lacks internationally accepted definitions and diagnostic criteria, impeding timely diagnosis and treatment and hindering cross-regional clinical and epidemiological study comparisons. Objective  To develop an international consensus definition and diagnostic criteria for GPP using the modified Delphi method….